[gpfsug-discuss] Analyse steps if disk are down after reboot

Simon Thompson S.J.Thompson at bham.ac.uk
Thu Jul 12 09:40:06 BST 2018


How are the disks attached? We have some IB/SRP storage that is sometimes a little slow to appear in multipath and have seen this in the past (we since set autoload=off and always check multipath before restarting GPFS on the node).

Simon

From: <gpfsug-discuss-bounces at spectrumscale.org> on behalf of "Renar.Grunenberg at huk-coburg.de" <Renar.Grunenberg at huk-coburg.de>
Reply-To: "gpfsug-discuss at spectrumscale.org" <gpfsug-discuss at spectrumscale.org>
Date: Thursday, 12 July 2018 at 09:17
To: "gpfsug-discuss at spectrumscale.org" <gpfsug-discuss at spectrumscale.org>
Subject: [gpfsug-discuss] Analyse steps if disk are down after reboot

Hallo All,

we see after a reboot of two NSD-Servers some disks in different filesystems are down and we don’t see why.
The logs (messages, dmesg, kern,..) are saying nothing. We are on Rhel7.4 and SS 5.0.1.1.
The question now, there are any log, structures in the gpfs deamon that log these situation? What was the reason why the deamon hast no access to the disks at that startup phase.
Any hints are appreciated.

Renar Grunenberg
Abteilung Informatik – Betrieb

HUK-COBURG
Bahnhofsplatz
96444 Coburg
Telefon:

09561 96-44110

Telefax:

09561 96-44104

E-Mail:

Renar.Grunenberg at huk-coburg.de

Internet:

www.huk.de

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